yea

noun

An affirmative vote, usually but not always spoken

1. Yes.
2. Thus, so (now often accompanied by a hand gesture).

   The pony was yea high.

conjunction

Or even, or more like, nay. Introduces a stronger and more appropriate expression than the preceding one.

interjection

(in some dialects of American English, including Southern, Western, and African American Vernacular) Yeah, right, yes.

1. Expressing joy, celebration, glee, etc.

   Yeah! We did it!